Table 2. Significant alterations in axial diffusivity (AD), and radial diffusivity (RD) measurements of diffusion tensor imaging (DTI), in ASPD patients relative to control subjects.

cluster index	voxel size	region name	peak voxel			t value	p value
			x	y	z
Axial diffusivity (AD)
ASPD < Control
1	516	Superior corona radiata/Superior longitudinal fasciculus/Posterior corona radiata L	−34	3	6	−3.80	2.18E-04
2	289	Splenium of corpus callosum/Body of corpus callosum	−16	−25	−9	−3.07	1.82E-03
3	231	Anterior corona radiata/Anterior limb of internal capsule L	−24	43	−20	−3.12	1.60E-03
4	185	Superior corona radiata R	19	3	21	−3.58	4.22E-04
5	177	Superior corona radiata/Posterior limb of internal capsule/Posterior corona radiata L	−25	1	−9	−4.03	1.08E-04
6	151	Pre-central blade/Superior frontal blade R	17	−4	37	−4.26	5.36E-05
7	118	Anterior corona radiata L	−20	50	9	−3.17	1.40E-03
8	95	Posterior corona radiata/Posterior thalamic radiation (include optic radiation) L	−30	−45	−4	−4.81	9.06E-06
9	82	Post-central blade/Pariteo-temporal blade L	−47	−19	15	−3.07	1.81E-03
10	75	Inferior frontal blade L	−35	14	19	−4.25	5.53E-05
11	71	Superior longitudinal fasciculus L	−45	−1	10	−3.47	5.82E-04
12	67	Anterior corona radiata L	−20	67	−15	−2.92	2.72E-03
13	66	Posterior corona radiata L	−20	−38	16	−3.55	4.59E-04
14	61	Superior longitudinal fasciculus R	34	−6	17	−3.50	5.38E-04
15	58	Fornix (cres)/Stria terminalis L	−21	−21	−13	−3.62	3.75E-04
16	58	External capsule L	−32	−3	−15	−3.88	1.75E-04
17	50	Superior corona radiata R	26	−26	21	−3.44	6.43E-04
Radial diffusivity (RD)
ASPD > Control
1	108	Superior longitudinal fasciculus R	48	−5	9	3.52	5.06E-04
2	74	Superior frontal blade R	11	30	33	3.65	2.69E-03
3	65	Anterior corona radiata/Inferior fronto-occipital fasciculus L	−19	42	−29	3.65	3.48E-04
4	62	Inferior longitudinal fasciculus/Temporal blade L	−46	2	−41	4.06	9.85E-05

R: right; L: left.